FA-100117 / Preference pair construction / Member archive
Preference pairs: pair generation favors one orientation · case 02
pair generation favors one orientation.
Case contract
Rows are [chosen,rejected,weight]. Return each row and its mirrored orientation, each with half its input weight, preserving row order.
Why this case matters
A small deterministic preference-data transform makes pair semantics inspectable without a training framework.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| single mirrored pair | [["a", "b", 2]] | [["a", "b", [2, 2]], ["b", "a", [2, 2]]] | Failed |
MEMBER ARCHIVE
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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